100 Percent Altec Helmet
Best breathable head protection for dedicated mountain trail riders.
This trail-focused lid balances lightweight construction with advanced rotational impact protection. It excels at keeping riders cool through massive venting while offering the convenience of integrated eyewear storage and a highly adjustable fit.
$109.90
at
Bicycle Buys
Who it's for
- Trail riders who prioritize ventilation in hot climates
- Safety-conscious mountain bikers seeking advanced head protection
- Riders who frequently transition between sunglasses and clear vision
Who should skip it
- Cyclists who prefer a plush, cushioned feel against their scalp
- Enduro racers who frequently stow goggles under their visor
- Riders with long hair or sensitivity to internal helmet textures
Performance breakdown
Impact Protection
Smartshock system offers top-tier rotational energy management for aggressive trail riding.
Ventilation Efficiency
Fifteen ports create consistent airflow, keeping riders cool during intense climbs.
Fit Precision
Ratcheting system provides a secure, customized hold for various head shapes.
Weight Management
Lightweight construction minimizes neck fatigue on long, demanding backcountry days.
Gear Integration
Thoughtful storage for sunglasses and goggles simplifies on-trail transitions.
Maintenance Ease
Removable, washable liner makes post-ride cleanup quick and hassle-free.
Key Specs
Weight
350g
Number of Vents
15
Safety Technology
Smartshock Rotational Protective System
Shell Material
Multi-Density EPS foam, Polycarbonate
Fit System
Adjustable Ratcheting Fitment System
Closure Type
Nexus Push Release Snap-Buckle
Visor Type
Multi-point adjustable
Intended Use
Mountain Biking
Safety Certification
US CPSC
Removable Padding
Yes
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